Home / 8,427.47-11,629.77-4,651.02

Finding the Fourth Proportional to 8,427.47, 11,629.77 and 4,651.02

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Solution

The fourth proportional to 8,427.47, 11,629.77 and 4,651.02 is: 6,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.47 : 11,629.77 = 4,651.02 : x
  2. Step 2: Convert to fraction form
    8,427.47/11,629.77 = 4,651.02/x
  3. Step 3: Cross multiply
    8,427.47x = 11,629.77 × 4,651.02
  4. Step 4: Simplify right side
    8,427.47x = 54,090,292.87
  5. Step 5: Solve for x
    x = 54,090,292.87/8,427.47
  6. Step 6: Final answer
    x = 6,418.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.